# iPTE vs 塔罗牌

The clearest difference is price: 塔罗牌 at Free against iPTE's $1.99. 塔罗牌 also leads on update cadence (every 2 weeks vs every 9 months). iPTE's advantage is device support (4 vs 2) and iOS requirement (13.0 vs 15.5). On ads and in-app purchases there is nothing between them.

塔罗牌 is free to download; iPTE costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

iPTE ships an update every 9 months, 塔罗牌 every 2 weeks. The most recent releases landed on September 22, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | iPTE | 塔罗牌 |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 9 months | **Every 2 weeks** |
| Monetization | Paid | — |
| Size | 98 MB | 921 MB |
| Requires iOS | **13.0** | 15.5 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [建锋 宋](https://appshunter.io/developer/1098794568) | [HAI-TAO RAN,](https://appshunter.io/developer/1626588033) |

## What reviewers say

### iPTE

[App page](https://appshunter.io/ios/app/ipte/id1502419058)

Explore the periodic table with extensive data on chemical elements and over 5500 isotopes. Features include element images, electron configurations, discovery history, and a solubility chart. Ideal for students, teachers, and science enthusiasts.

**Highlights:** Extensive element data, Over 5500 isotopes, Solubility chart, Element images and electron configurations, Discovery history, Search functionality

**Features:** Vision Pro support

**In-app purchases:** none


### 塔罗牌

[App page](https://appshunter.io/ios/app/id1637065050)

**In-app purchases:** none


## Frequently asked questions

### Is iPTE free?

iPTE costs $1.99, with no in-app purchases.

### Is 塔罗牌 free?

塔罗牌 is free to download, with no in-app purchases.

### Do iPTE or 塔罗牌 have ads?

Neither iPTE nor 塔罗牌 shows ads.

### Which is updated more often, iPTE or 塔罗牌?

iPTE ships an update every 9 months, and 塔罗牌 every 2 weeks. Most recently, iPTE was updated on September 22, 2026 and 塔罗牌 on September 10, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*